Here's a couple of other links,
https://turbotax.intuit.com/tax-tips/family/claiming-a-non-citizen-spouse-and-children-on-your-taxes...
https://www.irs.gov/pub/irs-pdf/p519.pdf
Social security number (SSN). Generally, you can get an SSN if you have been lawfully admitted to the United States for permanent residence or under other immigration catego- ries that authorize U.S. employment.
To apply for a new SSN, you must submit Form SS-5 and the required documents in per- son at your local Social Security Administration (SSA) office. You can download Form SS-5 at SSA.gov/forms, call the SSA at 800-772-1213 or go to your local SSA office. For more infor- mation, go to Social Security Number and Card .
